CN202230595U - Multichannel data acquisition system used for vibrating wire transducers - Google Patents
Multichannel data acquisition system used for vibrating wire transducers Download PDFInfo
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- CN202230595U CN202230595U CN 201120404082 CN201120404082U CN202230595U CN 202230595 U CN202230595 U CN 202230595U CN 201120404082 CN201120404082 CN 201120404082 CN 201120404082 U CN201120404082 U CN 201120404082U CN 202230595 U CN202230595 U CN 202230595U
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Abstract
The utility model discloses a multichannel data acquisition system used for vibrating wire transducers. The system comprises extension modules, multichannel modules, measurement control modules and a center control unit which is provided with an acquisition and analysis software, wherein the extension modules, the multichannel modules, the measurement control modules and the center control unit are sequentially connected through a cable; a plurality of vibrating wire transducers are connected with the extension modules, a plurality of extension modules are connected with the multichannel modules, a plurality of multichannel modules are connected on the measurement control modules, and a plurality of measurement control modules are connected with the center control unit. By adopting the system, key parts of an engineering structure can be automatically collected, processed and analyzed in real time; and the acquisition and analysis software can be used for assessing the safety condition and providing real-time monitoring data, early warning condition and an assessment report, therefore, the management and maintenance work efficiency can be improved, the maintenance cost can be saved, the overall technical level of the management and maintenance can be improved, the safety condition can be pre-diagnosed, and the service life can be prolonged.
Description
Technical field
The utility model relates to a kind of structural parameters monitoring system, relates in particular to a kind of multichannel data acquisition system that is used for vibrating string type sensor.
Background technology
Rational structure is guaranteeing the most basically of engineering structure safety with carrying design; Especially for large bridge, tunnel, dam etc.; Because its complex structure, influence of various external conditions and construction quality or the like causes people all can not accurately predict and do sth. in advance defence to a lot of X factors; In this case, only come the pre-alerting ability of the safety case of the structure of raising comprehensively by advanced person's automatic monitoring system.For a long time, people are main with the manual detection method for the detection of the multiple parameter of harm structural safety always.And generally be regularly to detect, or even when great security situation occurring, detect again, cause the potential safety hazard of a lot of engineering structures in time not find, the people's the security of the lives and property has been caused great threat.Therefore, this traditional detection method has been inappropriate for the development of times demand.
Traditional structure detection normally manual regular detects, though detection technique in the development of the existing leap of the nineties in last century, shortcoming and limitation still exist.Under normal conditions, manual detection need be foreseen the damage position of structure, be difficult to find the internal injury of some important structure, and more fatal is, the manual detection method can't be checked through personnel and equipment and all be difficult to the significant points that arrives.And testing result all needs the professional to assess, and has subjectivity significantly.Simultaneously, the manual detection time is long, is difficult to the unscheduled event of prevision burst in real time, and being difficult to administrative authority in time provides scientific decision and instruct foundation.
Along with the rise of technology such as monitoring technology, informationization technology, electronic communication technology, characteristics such as for automatic monitoring has been established solid foundation, the workload that thoroughly solves manual detection is big, complex operation, error rate are big.Its method mainly is utilization Modern Transducer Technology and an electronic information technology, through obtain structure in real time, various valid data such as stressed come, indexs such as monitoring of structures response and dynamic behaviour, and rely on the safe condition of collection analysis software evaluation structure and give early warning.In recent years, the kind of sensor is more and more, and through with the abundant fusion of information, make distributed large capacity data acquisition and overall treatment analysis ability become a reality and large tracts of land universal.
The utility model content
The purpose of the utility model is to provide a kind of multichannel data acquisition system that is used for vibrating string type sensor, and native system can carry out full-automatic collection in real time, handle, analyzes the engineering structure key position; Can carry out the safety case assessment through collection analysis software, and real-time Monitoring Data, early warning situation and assessment report can be provided, improve pipe and support work efficiency, practice thrift the maintenance cost, improve pipe and support the overall technology level, diagnose safety case in advance, increase the service life.
The purpose of the utility model can realize through following technical measures:
A kind of multichannel data acquisition system that is used for vibrating string type sensor comprises expansion module, multichannel module, measures control module and the central control equipment of collection analysis software is installed; Described expansion module, multichannel module, measurement control module are connected through cable with central control equipment successively; Be connected with several vibrating string type sensors on the said expansion module, be connected with several expansion modules on the said multichannel module, be connected with several multichannel modules on the said measurement control module, be connected with several on the said central control equipment and measure control module.
Said central control equipment is micro computer module and/or terminal computer.
Said central control equipment is provided with input interface; Said measurement control module is provided with transmitting-receiving mouth and output interface; Said multichannel module is provided with input interface, control interface and transmitting-receiving mouth; Said expansion module is provided with quad input interface, control interface and output interface;
The input interface of said central control equipment links to each other with the output interface of described measurement control module, and receives the image data that the measurement control module is sent here, simultaneously, and to said measurement control module sending controling instruction;
The transmitting-receiving mouth of said measurement control module links to each other with the transmitting-receiving mouth of said multichannel module, and receives the data that said multichannel module sends over;
The input interface of said multichannel module is connected with the output interface of said expansion module, and receives the data that said expansion module is gathered; The control interface of said multichannel module is connected with the control interface of said expansion module, and to said expansion module transmitting control commands;
The quad input interface of said expansion module links to each other with vibrating string type sensor, and receives the data that vibrating string type sensor detects.
Said vibrating string type sensor is two core shielding line vibrating string type sensors or four-core shielding line vibrating string type sensor.
The input interface of said central control equipment is RS-232 input interface or USB interface; The output interface of said measurement control module is the RS-232 output interface.
Between the transmitting-receiving mouth of said measurement control module and the transmitting-receiving mouth of said multichannel module, all link to each other between the control interface of the control interface of said multichannel module and said expansion module through two core shielding lines; Link to each other through the four-core shielding line between the input interface of said multichannel module and the output interface of said expansion module; Link to each other through two tunnel two cores or one tunnel four-core shielding line between the quad input interface of said expansion module and the vibrating string type sensor.
The type of said vibrating string type sensor is two cores or the four-core shielding line vibrating string type sensor of stress type or pressure-type or tension-type or temperature mode.
Said vibrating string type sensor, expansion module, multichannel module, measurement control module are equipped with power interface and link to each other with the 12V dc power supply.
Said micro computer module links to each other with 1 measurement control module; Said terminal computer with link to each other more than the measurement control module that equals 1; Said measurement control module links to each other with 1～4 multichannel module; Said multichannel module links to each other with 1～2 expansion module; Said expansion module links to each other with 1～16 four-core shielding line vibrating string type sensor; Perhaps; Link to each other with 1～32 two core shielding line vibrating string type sensor, perhaps, the matched combined of some four-core shielding line vibrating string type sensors and some two core shielding line vibrating string type sensors.
A preferred forms as the utility model; Be provided with 1 station terminal computer in the said hyperchannel type vibration wire data acquisition system (DAS); The micro computer module respectively has some with the measurement control module, and said terminal computer adopts one-to-many to link to each other with said measurement control module, and said micro computer module adopts with the measurement control module and is connected one to one; Said every measurement control module is provided with 4 tunnel transmitting-receiving mouths, and every road transmitting-receiving mouth links to each other with 1 multichannel module; Said multichannel module is provided with 2 tunnel transmitting-receiving mouths, and every road transmitting-receiving mouth links to each other with 1 expansion module; Said expansion module is provided with 16 road quad input interfaces, and every road quad input interface links to each other with 1 four-core shielding line vibrating string type sensor, perhaps, links to each other with 2 two core shielding line vibrating string type sensors.
The utility model contrast prior art has following advantage:
1, native system can carry out full-automatic collection in real time, handle, analyzes the engineering structure key position; Can carry out the safety case assessment through collection analysis software; And real-time Monitoring Data, early warning situation and assessment report can be provided, and improve pipe and support work efficiency, practice thrift the maintenance cost; Improve and build or the foster overall technology level of pipe; Guarantee structural safetys uses such as building, bridge, tunnel, dam, side slope, diagnose safety case in advance, increase the service life;
2, this system adopts the modular construction design.Each sensor is relatively independent in the system, and module is connected the communication interface that passes through with intermodule.Thereby make that this modular construction extendability is strong, port number is not limited; This sandwich construction, each module load balancing, processing speed is fast, operational efficiency is high, can under various mal-conditions, work, according to the project needs, the vibrating string type sensor of collocation all kinds and quantity;
3, the direct reading and recording of collection analysis software in the native system is obtained data message and is carried out Treatment Analysis, and data extract and easy to use can be carried out Fourier transform, time marking and record encapsulation to data in collection, processing, transmission course;
4, the steering order of this system is sent by what collection analysis software was responsible for instructing; Measure control module and be responsible for enforcement, customized justice is provided with the SF of each sensor, and dirigibility is strong; Integrated level is high, and historical data is stored in and can supplies in the terminal computer hard disk to consult at any time;
5, this system can be equipped with accumulator, and is unstable or when losing electric power supply at electrical network, satisfies the needs of long-time continuous data acquisition, and behind power recovery, system can start automatically, has power-down protection;
6, all input channels of this system and ground connection have reliable surge protection all through the gas shield pipe, are equipped with self-check diagnosis and processing capacity, possess the high and strong characteristics of antijamming capability of fault-tolerance.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the utility model;
Fig. 2 is the outer portion connecting structure synoptic diagram of expansion module in the system shown in Figure 1;
Fig. 3 is the outer portion connecting structure synoptic diagram of multichannel module in the system shown in Figure 1;
Fig. 4 is an outer portion connecting structure synoptic diagram of measuring control module in the system shown in Figure 1;
Fig. 5 is the outer portion connecting structure synoptic diagram of micro computer module in the system shown in Figure 1;
Fig. 6 is; The outer portion connecting structure synoptic diagram of terminal computer in the system shown in Figure 1
Fig. 7 is a steering order process flow diagram in the system shown in Figure 1;
Fig. 8 is data acquisition flow figure in the system shown in Figure 1.
Embodiment
Embodiment one
Fig. 1 shows the structure of a most preferred embodiment of the multichannel data acquisition system that is used for vibrating string type sensor of the utility model, this system specifically by central control equipment, measure control module, multichannel module, expansion module and form.Collection analysis software is installed on the central control equipment.Central control equipment in the present embodiment comprises 1 station terminal computer and some micro computer modules.Measure control module and also be provided with some, and terminal computer adopts one-to-many to be connected with measuring control module, the micro computer module is connected with the employing of measurement control module one to one.Measure for every and connect 4 multichannel modules on the control module; Connect 2 expansion modules on the every multichannel module; Connect 16 tunnel four-core shielding line vibrating string type sensors or 32 tunnel two core shielding line vibrating string type sensors, perhaps the mix and match connected mode of two kinds of vibrating string type sensors on the every expansion module.Instruction control such as data acquisition, processing, analysis, demonstration and carry out and to be responsible for by collection analysis software that runs on terminal computer or the collection analysis software that runs in the micro computer module.Vibrating string type sensor is responsible for signal output, and through the expansion module of data acquisition, the multichannel module of calculating master oscillator frequenc, the measurement control module of data encapsulation data is delivered to terminal computer.All hardware except that terminal computer is all supplied power with 12V direct supply or accumulator.
Wherein, vibrating string type sensor is two core shielding line vibrating string type sensors or four-core shielding line vibrating string type sensor, perhaps, and the mix and match of these two kinds of vibrating string type sensors.And the type of vibrating string type sensor can be two cores of stress type or pressure-type or tension-type or temperature mode or in the four-core shielding line vibrating string type sensor one or more.
Shown in Figure 2 is the outer portion connecting structure synoptic diagram of expansion module, mainly is made up of 16 road quad input interfaces, control interface, power interface, output interface.Every road quad input interface is used to connect two tunnel two cores or one tunnel four-core shielding line vibrating string type sensor, supports each passage of proceeding measurement and directly measures two kinds of measurement patterns of special modality.Control interface links to each other with the control interface of multichannel module, is used to receive steering order; Power interface links to each other with the power interface of multichannel module, is used for this module for power supply, and output interface links to each other with the input interface of multichannel module, is used for sending data to the multichannel module.All input channels and ground connection is all through the gas shield pipe, and reliable surge protection is arranged.
Shown in Figure 3 is the outer portion connecting structure synoptic diagram of multichannel module, mainly is made up of 2 road input interfaces, control interface, power interface, transmitting-receiving mouth.Wherein 2 road input interfaces are connected with the output interface of 2 circuit-switched data expansion modules respectively, are used to receive the data that expansion module is gathered; Control interface is connected with the control interface of expansion module, is used for sending controling instruction; Power interface is connected with the power interface of expansion module, is used for to the expansion module power supply, and the transmitting-receiving mouth is connected with the transmitting-receiving mouth of measuring control module, is used for to measuring control module transmission data.
The multichannel module adopts frequency-domain analysis method to measure the master oscillator frequenc of vibrating string type sensor, and this method is utilized Fourier transform that vibration signal is transformed in the frequency domain and analyzed, thus the high precision of providing and accuracy data.It possesses oscillating element signal intensity, signal noise ratio, concussion element signal decay rub-out signal response self-check diagnosis when and processing power, and all input channels and ground connection are all through the gas shield pipe.
Shown in Figure 4 for measuring the outer portion connecting structure synoptic diagram of control module: as mainly to form by 4 tunnel transmitting-receiving mouths, output interface, power interface.4 tunnel transmitting-receiving mouths are used to connect 4 multichannel modules, and output interface is a RS-232 interface, and is connected with terminal computer, are used for supplying data transmission collection analysis software to carry out analyzing and processing to terminal computer; Power interface connects the 12V direct supply and is used for the total system power supply.Measure all input channels of control module and ground connection and be equipped with gas-discharge tube and rechargeable battery, support clock control, temperature compensation and sram memory, can guarantee the accuracy of time and data, data measured has time mark and record number.
Shown in Figure 5 is micro computer modular structure figure: collection analysis software is installed on the micro computer; And be connected with measurement control module RS-232 interface through RS-232 interface or USB interface; Measure control module and send the data of gathering to the micro computer module; To measuring the control module sending controling instruction, and the image data of being responsible for reading RS-232 interface is carried out Treatment Analysis to collection analysis software through RS-232 interface.The micro computer module is equipped with touch giant-screen LCD and high capacity SD RAM card; Can carry out system initialization, instruction control, data acquisition, simply handle and analytic function; Can show each channel data value in real time, can store mass historical data and make things convenient for data to derive.
Shown in Figure 6 is the terminal computer structural drawing: collection analysis software is installed on the terminal computer, and is connected with polylith measurement control module RS-232 interface through RS-232 interface or USB interface.Measure control module and send the data of gathering to terminal computer, to measuring the control module sending controling instruction, and the image data of being responsible for reading RS-232 interface is carried out Treatment Analysis to collection analysis software through RS-232 interface.
The collection analysis software that moves on micro computer and the terminal computer obtains the image data of measuring control module through reading RS232 interface or USB interface, and port number, frequency range, calibration coefficient, demarcation zero point, form and graphic presentation field can self-definedly be set; Can show by hyperchannel variation tendency form that hyperchannel variation tendency figure is drawn, the inquiry of historical data, data Excel form is derived.
Shown in Figure 7 is the system directive control flow chart.Behind the operation collection analysis software; Need set systematic parameter (port number, SF, calibration coefficient, form and graphic display information etc.); Promptly write the measurement control module after the initialization success; When sending the acquisition instructions success, begin image data and deliver to terminal computer, EO when sending END instruction.
Shown in Figure 8 when the data acquisition system data flow process figure.When beginning to gather; System can number channel data, temperature compensation, Fourier transform, time mark and record encapsulation operation; When data are that normal valid data then carry out analyzing and processing through collection analysis software, and display process result and abnormity early warning.
Micro computer module in the hyperchannel type vibration wire data acquisition system (DAS) of the utility model links to each other with 1 measurement control module; Terminal computer with link to each other more than the measurement control module that equals 1, the quantity of connection depends primarily on RS-232 interface or USB interface quantity; Measuring control module links to each other with 1～4 multichannel module; The multichannel module links to each other with 1～2 expansion module; Expansion module links to each other with 1～16 four-core shielding line vibrating string type sensor; Perhaps; Link to each other with 1～32 two core shielding line vibrating string type sensor, perhaps, also allow the mixing quantity matched combined of four-core shielding line vibrating string type sensor and two core shielding line vibrating string type sensors.Therefore, the embodiment of the utility model is not limited to above-mentioned a kind of, for example following embodiment two, three, the fourth class.
Embodiment two
Different with embodiment one is, the central control equipment in the present embodiment comprises each 1 of terminal computer and micro computer module, measures control module and also has only 1, and terminal computer all links to each other with the measurement control module with the micro computer module.
Embodiment three
Different with embodiment one is that the central control equipment in the present embodiment only is made up of 1 micro computer module, measures control module and also only is provided with one.
Embodiment four
Different with embodiment one is that the central control equipment in the present embodiment only is made up of 1 station terminal computer, measures control module and also only is provided with one.
The embodiment of the utility model is not limited thereto; Under the above-mentioned basic fundamental thought of the utility model prerequisite;, all drop within the utility model rights protection scope modification, replacement or the change of the utility model other various ways that content is made according to the ordinary skill knowledge of this area and customary means.
Claims (10)
1. multichannel data acquisition system that is used for vibrating string type sensor is characterized in that: comprise expansion module, multichannel module, measure control module and the central control equipment of collection analysis software is installed; Described expansion module, multichannel module, measurement control module are connected through cable with central control equipment successively; Be connected with several vibrating string type sensors on the said expansion module, be connected with several expansion modules on the said multichannel module, be connected with several multichannel modules on the said measurement control module, be connected with several on the said central control equipment and measure control module.
2. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 1 is characterized in that: said central control equipment is micro computer module and/or terminal computer.
3. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 2 is characterized in that: said central control equipment is provided with input interface; Said measurement control module is provided with transmitting-receiving mouth and output interface; Said multichannel module is provided with input interface, control interface and transmitting-receiving mouth; Said expansion module is provided with quad input interface, control interface and output interface;
The input interface of said central control equipment links to each other with the output interface of described measurement control module, and receives the image data that the measurement control module is sent here, simultaneously, and to said measurement control module sending controling instruction;
The transmitting-receiving mouth of said measurement control module links to each other with the transmitting-receiving mouth of said multichannel module, and receives the data that said multichannel module sends over;
The input interface of said multichannel module is connected with the output interface of said expansion module, and receives the data that said expansion module is gathered; The control interface of said multichannel module is connected with the control interface of said expansion module, and to said expansion module transmitting control commands;
The quad input interface of said expansion module links to each other with vibrating string type sensor, and receives the data that vibrating string type sensor detects.
4. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 3 is characterized in that: said vibrating string type sensor is two core shielding line vibrating string type sensors or four-core shielding line vibrating string type sensor.
5. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 4 is characterized in that: the input interface of said central control equipment is RS-232 input interface or USB interface; The output interface of said measurement control module is the RS-232 output interface.
6. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 5 is characterized in that: between the transmitting-receiving mouth of said measurement control module and the transmitting-receiving mouth of said multichannel module, all link to each other through two core shielding lines between the control interface of the control interface of said multichannel module and said expansion module; Link to each other through the four-core shielding line between the input interface of said multichannel module and the output interface of said expansion module; Link to each other through two tunnel two cores or one tunnel four-core shielding line between the quad input interface of said expansion module and the vibrating string type sensor.
7. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 6 is characterized in that: the type of said vibrating string type sensor is two cores or the four-core shielding line vibrating string type sensor of stress type or pressure-type or tension-type or temperature mode.
8. according to any described multichannel data acquisition system that is used for vibrating string type sensor of claim 1 to 7, it is characterized in that: said vibrating string type sensor, expansion module, multichannel module, measurement control module are equipped with power interface and link to each other with the 12V dc power supply.
9. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 8 is characterized in that: said micro computer module links to each other with 1 measurement control module; Said terminal computer with link to each other more than the measurement control module that equals 1; Said measurement control module links to each other with 1～4 multichannel module; Said multichannel module links to each other with 1～2 expansion module; Said expansion module links to each other with 1～16 four-core shielding line vibrating string type sensor; Perhaps; Link to each other with 1～32 two core shielding line vibrating string type sensor, perhaps, the matched combined of some four-core shielding line vibrating string type sensors and some two core shielding line vibrating string type sensors.
10. the multichannel data acquisition system that is used for vibrating string type sensor according to claim 9; It is characterized in that: be provided with 1 station terminal computer in the said hyperchannel type vibration wire data acquisition system (DAS); The micro computer module respectively has some with the measurement control module; Said terminal computer adopts one-to-many to link to each other with said measurement control module; Said micro computer module is connected with the employing of measurement control module one to one, and said every measurement control module is provided with 4 tunnel transmitting-receiving mouths, and every road is received and dispatched mouth and linked to each other with 1 multichannel module; Said multichannel module is provided with 2 tunnel transmitting-receiving mouths, and every road transmitting-receiving mouth links to each other with 1 expansion module; Said expansion module is provided with 16 road quad input interfaces, and every road quad input interface links to each other with 1 four-core shielding line vibrating string type sensor, perhaps, links to each other with 2 two core shielding line vibrating string type sensors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120404082 CN202230595U (en) | 2011-10-21 | 2011-10-21 | Multichannel data acquisition system used for vibrating wire transducers |
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| CN 201120404082 CN202230595U (en) | 2011-10-21 | 2011-10-21 | Multichannel data acquisition system used for vibrating wire transducers |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823390A (en) * | 2013-01-25 | 2014-05-28 | 江西飞尚科技有限公司 | Portable vibrating-wire data acquisition system based on single lithium battery power supply |
| CN104091430A (en) * | 2014-06-26 | 2014-10-08 | 华南理工大学 | Wireless communication technology-based bridge strain monitoring system and method |
| CN104900116A (en) * | 2015-06-16 | 2015-09-09 | 滕军 | Real-time online intelligent monitoring and demonstrating platform for structural load-response to change |
| CN105448072A (en) * | 2015-12-04 | 2016-03-30 | 中冶建筑研究总院有限公司 | Structure safety monitoring system |
| CN106840230A (en) * | 2017-02-24 | 2017-06-13 | 河北稳控科技有限公司 | The signal processing apparatus and method of a kind of vibrating string type sensor |
| CN107462341A (en) * | 2017-07-31 | 2017-12-12 | 成都众邦凯测科技有限公司 | A kind of jamproof vibratory string acquisition system |
| CN107817046A (en) * | 2017-07-05 | 2018-03-20 | 广东省地质建设工程勘察院 | A kind of portable remote vibrating wire acquirer |
| CN107919176A (en) * | 2017-11-06 | 2018-04-17 | 中广核工程有限公司 | A kind of nuclear power plant EAU systems automatic reading system and number reading method |
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2011
- 2011-10-21 CN CN 201120404082 patent/CN202230595U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103823390A (en) * | 2013-01-25 | 2014-05-28 | 江西飞尚科技有限公司 | Portable vibrating-wire data acquisition system based on single lithium battery power supply |
| CN104091430A (en) * | 2014-06-26 | 2014-10-08 | 华南理工大学 | Wireless communication technology-based bridge strain monitoring system and method |
| CN104900116A (en) * | 2015-06-16 | 2015-09-09 | 滕军 | Real-time online intelligent monitoring and demonstrating platform for structural load-response to change |
| CN105448072A (en) * | 2015-12-04 | 2016-03-30 | 中冶建筑研究总院有限公司 | Structure safety monitoring system |
| CN106840230A (en) * | 2017-02-24 | 2017-06-13 | 河北稳控科技有限公司 | The signal processing apparatus and method of a kind of vibrating string type sensor |
| CN107817046A (en) * | 2017-07-05 | 2018-03-20 | 广东省地质建设工程勘察院 | A kind of portable remote vibrating wire acquirer |
| CN107462341A (en) * | 2017-07-31 | 2017-12-12 | 成都众邦凯测科技有限公司 | A kind of jamproof vibratory string acquisition system |
| CN107919176A (en) * | 2017-11-06 | 2018-04-17 | 中广核工程有限公司 | A kind of nuclear power plant EAU systems automatic reading system and number reading method |
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Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangdong Construction Academy Group Plc Address before: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Patentee before: Guangdong Prov. Inst. of Building Science |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20181021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |